Control of Call Delivery and Call Forwarding of Telecommunication Connections, Especially in Multi-Device Configurations

1. A method to optimize the use of resources of a public telecommunication network during the switching of an incoming call in parallel to a plurality of end devices of a single subscriber all having a uniform calling number that form a multiple-device configuration, comprising: before a call is delivered an intelligent call control of the public telecommunications network determines in parallel the system statuses of said plurality of end devices in the multiple-device configuration being called or of identification chips connected to the end devices being called and of the switching facilities involved by polling databases of the end devices being called or the identification chips connected to the corresponding said end devices being called and mobility/profile databases assigned to the switching facilities involved; then—based on the data on the system statuses of the end devices being called or the identification chips connected to such end devices—attempting to deliver the call in parallel to some or all of the end devices such that an optimal call delivery is performed, wherein only those call attempts promising success are initiated; in the case it can be derived from the data on the system status that an end device is free to receive a call, the call is first delivered and in the case the connection is not used, the occupied line is released again to the origin of the connection; and in the case the call has not been accepted, using the previously determined statuses of the end devices being called or of the pertinent identification chips connected to the corresponding end devices, optionally a direct connection is established to a desired call forwarding target.

2. A method to optimize the use of resources of a public telecommunication network during the switching of an incoming call in parallel to a plurality of end devices of a single subscriber all having a uniform calling number that form a multiple-device configuration, comprising: before a call is delivered an intelligent call control of the public telecommunications network determines in parallel the system statuses of said plurality of end devices in the multiple-device configuration being called or of identification chips connected to the end devices being called and of the switching facilities involved by polling databases of the end devices being called or the identification chips connected to the corresponding end devices being called and mobility/profile databases assigned to the switching facilities involved, then—based on the data on the system statuses of the end devices being called or the identification chips connected to such end devices—attempting to deliver the call in parallel to some or all of the end devices such that an optimal call delivery is performed, wherein only those call attempts promising success are initiated; in the case that it can be derived from the data on the system status that an end device is free to receive a call, the call is first delivered and in the case the connection is not used, the occupied line is released again to the origin of the connection; and in the case the call has not been accepted, using the previously determined statuses of the end devices being called or of the pertinent identification chips connected to the corresponding end devices, optionally a direct connection is established to a desired call forwarding target; wherein call forwarding is initiated in the original switching facility by a central control based on the data from the evaluation of the system statuses of all said end devices being called or of the identification chips connected to the end devices being called.

3. A method to optimize the use of resources of a public telecommunication network during the switching of an incoming call in parallel to a plurality of end devices of a single subscriber all having a uniform calling number that form a multiple-device configuration, comprising: before a call is delivered an intelligent call control of the public telecommunications network determines in parallel the system statuses of said plurality of end devices being called in the multiple-device configuration or of identification chips connected to the end devices being called and of the switching facilities involved by polling databases of the end devices being called or the identification chips connected to the corresponding end devices being called and mobility/profile databases assigned to the switching facilities involved, then—based on the data on the system statuses of the end devices being called or the identification chips connected to such end devices—attempting to deliver the call in parallel to some or all of the end devices such that an optimal call delivery is performed, wherein only those call attempts promising success are initiated; in the case that it can be derived from the data on the system status that an end device is free to receive a call, the call is first delivered and in the case the connection is not used, the occupied line is released again to the origin of the connection; and in the case the call has not been accepted, using the previously determined statuses of the end devices being called or of the pertinent identification chips connected to the corresponding end devices, optionally a direct connection is established to a desired call forwarding target; wherein the profile data of the mobility/profile database of the identification chip connected to one end device is synchronized with the profile data of the mobility/profile databases of the identification chips connected to the other end devices.

4. A method according to claim 1 , wherein during forwarding of a call to an end device a certain occupancy of resources required to complete the call results from the type of the desired call, wherein before the call is delivered, an intelligent call control determines the system status of at least one said end device being called or of the identification chip connected to the at least one end device and of the switching facility or facilities involved.

5. The method according to claim 4 , wherein the system status of at least one said end device and of the at least one switching facility is determined by polling the mobility/profile databases of the at least one end device or of the identification chip connected to the at least one end device and of the at least one switching facility involved.

6. The method according to claim 5 , wherein an optimal call delivery is derived from the data on the system status of at least one said end device being called, or of the identification chip connected to the at least one end device in such a manner that only call attempts that promise success with the associated occupancy of the corresponding network resources are initiated.

7. The method according to claim 4 , wherein, using the previously determined information, any call attempts expected to fail are eliminated before the actual call delivery.

8. The method according to claim 4 , wherein the call forwarding is initiated in the original switching facility by at least one central control based on data from the evaluation of the system status of at least one said end device being called or of the identification chip connected to the at least one end device.

9. The method according to claim 4 , wherein profile data of the mobility/profile database of the identification chip connected to the at least one end device is synchronized with profile data of the mobility/profile databases of other identification chips connected to the other end devices of a subscriber.